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Periodic table Flashcards | StudBud
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Periodic table
Periodic table
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1
How many protons does Os (Osmium) have?
32
69
11
76
2
What can you say about the element Potassium (K)?
It is highly reactive
All of the above
It has 19 protons
It has 20 neutrons
3
What determines the amount of valence electrons an element has?
The group number
The period number
The number of protons
The number of neutrons
4
Where can you find an elements period number?
One of the numbers on the left side of the periodic table
The red numbers on he top of each row
The number in the top right corner of each element
below the element
5
What element has the atomic number of 111?
Xe
Rg
O
Es
6
What color are the metals on this periodic table?
yellow
green
tan and yellow
tan
7
What color are the non-metals on this periodic table?
Green
Yellow
8
Alkali metals are not as reactive as alkaline earth metals
False
True
9
How many protons does the 44th element (Ruthenium) have?
63
1
44
11
10
What kind of chemical reactivity do noble gases have?
Extremely reactive
Not very reactive
11
Why is the element Krypton (Kr) less reactive than Cesium (CS)?
Krypton is more reactive than Cesium
Krypton is in group 18 and Cesium is in group 1
12
Where are metalloids located?
from groups 3-12
Along the stair step
In group 1
in group 18
13
What determines the number of protons an element has?
The period number
The number of neutrons
Atomic number
Atomic mass
14
The period number determines how many energy shells there are
True
False
15
Where can you find an element's group number?
One of the black numbers on the left side of the periodic table
The blue number in the top right corner of each element
below the element
The numbers on the top of each row
16
What is the significance of atomic mass?
The sum of the weight of all of the particles in the atom
Both blue and red
The number used to find neutrons
The number that determines the reactivity
17
Where are protons and neutrons located?
There is no specific place they are located
In the electron cloud
In the last energy shell
In the nucleus
18
How many valence electrons does Neon (Ne) have?
4
6
8
2
19
What can you say about an elements chemical reactivity if it has one valence electron?
not reactive
somewhat reactive
Very reactive
Reactivity and valence electrons have no relation to each other
20
How is the periodic table arranged?
There is no reason the periodic table is arranged how it is
Most reactive on the right and least reactive on the left
Most reactive in period 1 an least reactive in period 7
Most reactive on the left, and least reactive on the right
